Oil field oil extraction wastewater collecting device

Abstract

The utility model provides an oil field oil extraction wastewater collecting device, which relates to the field of oil field oil extraction wastewater collecting equipment and comprises a collecting mechanism, the collecting mechanism comprises a collecting assembly and a separating assembly, the collecting assembly is used for collecting wastewater, and the separating assembly comprises a filter screen, an oil baffle plate and a barrier plate. The separation assembly is used for separating oil liquid in wastewater, an aeration assembly is arranged on the front side of the collection mechanism, the aeration assembly comprises a base, a Roots blower, an air guide pipe, an aeration nozzle and an air filter element, and the aeration assembly is used for generating aeration; by arranging the aeration assembly and the separation assembly, the effect of separating oil in waste water is achieved, the separation assembly is used for separating oil and water in the waste water, and the aeration assembly introduces bubbles into the waste water to enable grease and suspended solids to float, so that the oil can be separated; furthermore, the condition that the oil liquid pollutes the subsequent wastewater filtering module can be prevented.

Description

Technical Field

[0001] The utility model belongs to the field of oilfield production wastewater collection equipment, in particular to an oilfield production wastewater collection device. Background Art

[0002] Wastewater collection equipment is used to collect and transfer wastewater from industrial, municipal or other sources for further treatment. A large amount of wastewater is generated during oil field exploitation. Wastewater collection devices are usually used to collect the generated wastewater for subsequent centralized treatment.

[0003] According to the Chinese patent application No.: 201920164744.5, a wastewater collection and treatment device for oilfield operations is disclosed, including a cylindrical barrel, a baffle and a filter brush; a feed port is welded on the top end surface of the outer wall of the cylindrical barrel, and a bulk waste discharge port is welded on the bottom end surface of the outer wall of the cylindrical barrel; a purified liquid barrel is arranged on the right side of the top of the mixing barrel. Firstly, because five baffles are arranged in the filter box, and the five baffles are staggered, an "S"-shaped channel can be formed. When the wastewater enters the filter box, it can only flow along the "S"-shaped channel, which can reduce the flow rate of the wastewater and enhance the filtering effect of the filter brush. Secondly, because the top surface of the filter box is located between the two baffles, there is a filter brush slidably connected, and the filter brush is fixedly connected to the filter box by bolts. Firstly, the filtering effect can be further enhanced, and secondly, it is more convenient to disassemble and clean the filter brush.

[0004] The existing technology effectively solves the problem that it is inconvenient to clean the wastewater collection device used in oil field development, and has the advantage of being convenient to clean the wastewater collection device. However, the wastewater generated by oil field development contains a large amount of oil, and this type of wastewater collection device lacks the separation of oil, resulting in a large amount of oil in the wastewater, which is easy to cause pollution to the subsequent wastewater treatment filter module.

[0005] In summary, the utility model therefore provides an oilfield production wastewater collection device to solve the above problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An oilfield production wastewater collection device comprises a collection mechanism, wherein the collection mechanism comprises a collection component and a separation component, wherein the collection component is used to collect wastewater, wherein the separation component comprises a filter screen, an oil baffle plate and a baffle plate, wherein the separation component is used to separate oil from wastewater, and an aeration component is arranged on the front of the collection mechanism, wherein the aeration component comprises a base, a Roots blower, an air guide pipe, an aeration nozzle and an air filter element, and wherein the aeration component is used to generate aeration.

[0008] Furthermore, in the utility model, the collecting assembly includes a box body, a cover plate, a water inlet pipe, a drain pipe and an oil drain pipe. The cover plate is installed on the top of the box body and is threadedly connected to the box body by bolts.

[0009] Furthermore, in the utility model, the water inlet pipe is installed on one side of the box and communicated with the inner cavity of the box, the drain pipe is installed on the other side of the box and communicated with the inner cavity of the box, and the oil drain pipe is installed on the front of the box and communicated with the inner cavity of the box.

[0010] Furthermore, in the utility model, the oil baffle is fixed to the upper end of the inner cavity of the box body, the baffle is fixed to the lower end of the inner cavity of the box body, and the filter is fixed to one side of the inner cavity of the box body.

[0011] Furthermore, in the utility model, the aeration assembly also includes a check valve, a servo motor, a driving wheel and a driven wheel, the aeration nozzle is located at the center of the inner cavity of the box body, one end of the air duct is connected to the aeration nozzle, the other end of the air duct passes through the outside of the box body and is connected to the air outlet end of the Roots blower, the air filter element is connected to the air inlet end of the Roots blower, and the check valve is installed on the surface of the air duct.

[0012] Furthermore, in the utility model, the Roots blower and the servo motor are both fixed to the top of the base, the output shaft of the servo motor is transmission-connected to the driving wheel, the driving wheel and the driven wheel are connected via a belt transmission, and the driven wheel is transmission-connected to the input shaft of the Roots blower.

[0013] Beneficial effects: The utility model has the following beneficial effects:

[0014] The utility model has the effect of collecting wastewater generated during oil field production by arranging a collecting component, and has the effect of separating oil in the wastewater by arranging an aeration component and a separation component. The separation component is used to separate the oil and water in the wastewater, and the aeration component introduces air bubbles into the wastewater to make grease and suspended matter float, thereby separating the oil and further preventing the oil from polluting the subsequent wastewater filtration module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection state of the box body and the separation component of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connection state of the air guide pipe, the aeration nozzle and the box body of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the connection state of the aeration component of the utility model.

[0019] In the figure:

[0020] 1. Collecting mechanism; 11. Collecting assembly; 111. Box; 112. Cover plate; 113. Water inlet pipe; 114. Drain pipe; 115. Oil drain pipe; 12. Separation assembly; 121. Filter screen; 122. Oil baffle plate; 123. Baffle plate; 2. Aeration assembly; 201. Base; 202. Roots blower; 203. Air guide tube; 204. Aeration nozzle; 205. Check valve; 206. Air filter element; 207. Servo motor; 208. Driving wheel; 209. Driven wheel. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.

[0022] Example 1

[0023] like Figure 1-4 As shown, it is the first embodiment of the utility model, which provides an oilfield production wastewater collection device, including a collection mechanism 1, the collection mechanism 1 includes a collection component 11 and a separation component 12, the collection component 11 is used to collect wastewater, the separation component 12 includes a filter screen 121, an oil baffle plate 122 and a baffle plate 123, the separation component 12 is used to separate oil in the wastewater, and an aeration component 2 is arranged on the front of the collection mechanism 1, the aeration component 2 includes a base 201, a Roots blower 202, an air guide pipe 203, an aeration nozzle 204 and an air filter element 206, and the aeration component 2 is used to generate aeration.

[0024] like Figure 1-4As shown, the filter screen 121 is used to filter solid impurities in the wastewater. The wastewater can separate oil and water through the cooperation of the baffle plate 123 and the oil baffle plate 122. The oil floats to the upper end and the wastewater sinks to the bottom, thereby achieving oil-water separation. The Roots blower 202 introduces external air into the wastewater through the air duct 203 and the aeration nozzle 204, which can make grease and suspended matter float, so that the oil can be intercepted by the oil baffle plate 122. The air filter element 206 can filter the external air to prevent dust from polluting the Roots blower 202.

[0025] Example 2

[0026] Reference Figure 1-3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0027] In this embodiment, the collecting assembly 11 includes a box body 111, a cover plate 112, a water inlet pipe 113, a drain pipe 114 and an oil drain pipe 115. The cover plate 112 is installed on the top of the box body 111 and is threadedly connected to the box body 111 by bolts.

[0028] The water inlet pipe 113 is installed on one side of the box body 111 and communicates with the inner cavity of the box body 111. The drain pipe 114 is installed on the other side of the box body 111 and communicates with the inner cavity of the box body 111. The oil drain pipe 115 is installed on the front of the box body 111 and communicates with the inner cavity of the box body 111.

[0029] The oil baffle plate 122 is fixed to the upper end of the inner cavity of the box body 111 , the baffle plate 123 is fixed to the lower end of the inner cavity of the box body 111 , and the filter screen 121 is fixed to one side of the inner cavity of the box body 111 .

[0030] like Figure 1-3 As shown, the inner cavity of the box body 111 is divided into a primary sedimentation chamber, an aeration chamber and a drainage chamber by an oil baffle plate 122 and a baffle plate 123. The aeration nozzle 204 is located in the aeration chamber, and the filter screen 121 is located in the primary sedimentation chamber. When the wastewater enters the inner cavity of the box body 111 through the water inlet pipe 113, it is first filtered by the filter screen 121, and then enters the primary sedimentation chamber. The wastewater enters the aeration chamber through the diversion of the oil baffle plate 122 and the baffle plate 123, and the wastewater is aerated by the aeration component 2. Since the density of water in the wastewater is higher than that of oil, the water will sink and the oil will begin to float, thereby realizing oil-water separation. The oil is discharged through the oil drain pipe 115, and the wastewater enters the drainage chamber and is discharged through the drain pipe 114. Removing the fastening bolts of the cover plate 112 can facilitate the cleaning and maintenance of the inner cavity of the box body 111.

[0031] Example 3

[0032] Reference Figure 1 , 3and 4, which are the third embodiment of the present utility model, and this embodiment is based on the first two embodiments.

[0033] In this embodiment, the aeration assembly 2 also includes a check valve 205, a servo motor 207, a driving wheel 208 and a driven wheel 209. The aeration nozzle 204 is located at the center of the inner cavity of the box body 111. One end of the air duct 203 is connected to the aeration nozzle 204, and the other end of the air duct 203 passes through the outside of the box body 111 and is connected to the air outlet end of the Roots blower 202. The air filter element 206 is connected to the air inlet end of the Roots blower 202, and the check valve 205 is installed on the surface of the air duct 203.

[0034] The Roots blower 202 and the servo motor 207 are both fixed to the top of the base 201 , the output shaft of the servo motor 207 is connected to the driving wheel 208 , the driving wheel 208 is connected to the driven wheel 209 via a belt drive, and the driven wheel 209 is connected to the input shaft of the Roots blower 202 .

[0035] like Figure 1 , 3 As shown in 4, the output shaft of the servo motor 207 rotates to drive the driving wheel 208 to rotate. When the driving wheel 208 rotates, it drives the driven wheel 209 to rotate through the belt. When the driven wheel 209 rotates, it drives the Roots blower 202 to operate. The external air enters the inner cavity of the Roots blower 202 after being filtered by the air filter element 206, and is introduced into the aeration chamber through the air guide pipe 203 and the aeration nozzle 204 to aerate the wastewater, so that the grease and suspended matter in the wastewater float. The check valve 205 can prevent the wastewater from flowing back into the inner cavity of the Roots blower 202.

[0036] When in use, the inner cavity of the box body 111 is divided into a primary sedimentation chamber, an aeration chamber and a drainage chamber through the oil baffle plate 122 and the baffle plate 123. The aeration nozzle 204 is located in the aeration chamber, and the filter screen 121 is located in the primary sedimentation chamber. When the wastewater enters the inner cavity of the box body 111 through the water inlet pipe 113, it is first filtered through the filter screen 121, and then enters the primary sedimentation chamber. The wastewater enters the aeration chamber through the oil baffle plate 122 and the baffle plate 123. The wastewater is aerated through the aeration component 2. The output shaft of the servo motor 207 rotates to drive the driving wheel 208 to rotate. When the driving wheel 208 rotates, the driven wheel 209 is driven to rotate through the belt. When the driven wheel 209 rotates, it drives the Roots blower 202 to operate. The external air enters the inner cavity of the Roots blower 202 after being filtered by the air filter element 206, and is introduced into the aeration chamber through the air guide pipe 203 and the aeration nozzle 204 to aerate the wastewater, so that the grease and suspended matter in the wastewater float. Since the density of water in the wastewater is higher than that of the oil, the water will sink and the oil will begin to float, thereby realizing oil-water separation. The oil is discharged through the oil drain pipe 115, and the wastewater enters the drainage chamber and is discharged through the drainage pipe 114, thereby separating the oil and water, and further preventing the oil from polluting the subsequent wastewater filtration module.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0038] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.

Claims

1. An oilfield production wastewater collection device, comprising a collection mechanism (1), characterized in that: The collecting mechanism (1) comprises a collecting component (11) and a separating component (12); the collecting component (11) is used to collect wastewater; the separating component (12) comprises a filter screen (121), an oil baffle plate (122) and a baffle plate (123); the separating component (12) is used to separate oil from wastewater; an aeration component (2) is arranged on the front of the collecting mechanism (1); the aeration component (2) comprises a base (201), a Roots blower (202), an air guide pipe (203), an aeration nozzle (204) and an air filter element (206); the aeration component (2) is used to generate aeration.

2. The oilfield production wastewater collection device according to claim 1, characterized in that: The collecting assembly (11) comprises a box body (111), a cover plate (112), a water inlet pipe (113), a drain pipe (114) and an oil drain pipe (115); the cover plate (112) is installed on the top of the box body (111) and is threadedly connected to the box body (111) via bolts.

3. The oilfield production wastewater collection device as claimed in claim 2, characterized in that: The water inlet pipe (113) is installed on one side of the box body (111) and is in communication with the inner cavity of the box body (111); the drain pipe (114) is installed on the other side of the box body (111) and is in communication with the inner cavity of the box body (111); and the oil drain pipe (115) is installed on the front side of the box body (111) and is in communication with the inner cavity of the box body (111).

4. The oilfield production wastewater collection device according to claim 1, characterized in that: The oil baffle plate (122) is fixed to the upper end of the inner cavity of the box body (111), the baffle plate (123) is fixed to the lower end of the inner cavity of the box body (111), and the filter screen (121) is fixed to one side of the inner cavity of the box body (111).

5. The oilfield production wastewater collection device according to claim 1, characterized in that: The aeration assembly (2) further comprises a check valve (205), a servo motor (207), a driving wheel (208) and a driven wheel (209); the aeration nozzle (204) is located at the center of the inner cavity of the housing (111); one end of the air guide pipe (203) is connected to the aeration nozzle (204); the other end of the air guide pipe (203) passes through the outside of the housing (111) and is connected to the air outlet of the Roots blower (202); the air filter element (206) is connected to the air inlet of the Roots blower (202); and the check valve (205) is installed on the surface of the air guide pipe (203).

6. The oilfield production wastewater collection device as claimed in claim 5, characterized in that: The Roots blower (202) and the servo motor (207) are both fixed to the top of the base (201); the output shaft of the servo motor (207) is drivingly connected to the driving wheel (208); the driving wheel (208) is connected to the driven wheel (209) via a belt transmission; and the driven wheel (209) is drivingly connected to the input shaft of the Roots blower (202).

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